The Lew Electric PB1-SPB is a plastic floor box with brass cover. Inside the box you will find one 15 amp duplex power receptacle with tamper proof plugs. The cover features 2 screw plugs that provide quick access to your outlets in the box. The box that houses the receptacles is made out of a lightweight polymer construction that offers huge savings over traditional metal floor boxes. The box is easy to install and the adjustable wing clamp adds additional installation support when installed, there are 4 knockouts in the box to run your wire. The floor box is ETL listed for the USA and cETL listed for Canada installations, it also conforms to UL code 514C.